TestOut LabSim A+ Certification Practice Exam

What performance increase is realized by using dual channel memory configurations?

1. Increased memory capacity

2. Faster memory speeds

3. Improved data bandwidth

4. Reduced power consumption

The correct answer is: Improved data bandwidth

Using dual channel memory configurations results in improved data bandwidth. This is because dual channel technology allows the memory controller to access two memory modules simultaneously, effectively doubling the amount of data that can be transferred at a time compared to a single channel configuration. By enabling two memory paths, the system can achieve higher throughput, which enhances overall performance, especially in memory-intensive tasks. In contrast, the other options do not accurately reflect the primary benefits of dual channel memory. While increased memory capacity can be achieved by adding more RAM, it is not a direct result of dual channel configurations but rather an increase in the number of modules installed. Faster memory speeds are more associated with the frequency at which the RAM operates rather than the channel configuration itself. Lastly, reduced power consumption does not inherently result from using dual channel memory; in fact, dual channel configurations can sometimes consume slightly more power due to the increased number of modules active at once.